Supported version of RHEL media server as backup host
The supported RHEL media server version as backup host for the Cloud Object Store workload in NetBackup 11.1.0.2 is RHEL 9.5 or earlier.
NetBackup™ Release Notes · PDF
The supported RHEL media server version as backup host for the Cloud Object Store workload in NetBackup 11.1.0.2 is RHEL 9.5 or earlier.